diff options
Diffstat (limited to 'sys/dev/fxp')
| -rw-r--r-- | sys/dev/fxp/inphy.c | 197 | ||||
| -rw-r--r-- | sys/dev/fxp/inphyreg.h | 40 |
2 files changed, 237 insertions, 0 deletions
diff --git a/sys/dev/fxp/inphy.c b/sys/dev/fxp/inphy.c new file mode 100644 index 000000000000..587f3fd62555 --- /dev/null +++ b/sys/dev/fxp/inphy.c @@ -0,0 +1,197 @@ +/*- + * Copyright (c) 2001 Jonathan Lemon + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * driver for Intel 82553 and 82555 PHYs + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/socket.h> +#include <sys/bus.h> + +#include <net/if.h> +#include <net/if_media.h> + +#include <dev/mii/mii.h> +#include <dev/mii/miivar.h> +#include "miidevs.h" + +#include <dev/fxp/inphyreg.h> + +#include "miibus_if.h" + +static int inphy_probe(device_t dev); +static int inphy_attach(device_t dev); + +static device_method_t inphy_methods[] = { + /* device interface */ + DEVMETHOD(device_probe, inphy_probe), + DEVMETHOD(device_attach, inphy_attach), + DEVMETHOD(device_detach, mii_phy_detach), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + { 0, 0 } +}; + +static devclass_t inphy_devclass; + +static driver_t inphy_driver = { + "inphy", + inphy_methods, + sizeof(struct mii_softc) +}; + +DRIVER_MODULE(inphy, miibus, inphy_driver, inphy_devclass, 0, 0); + +static int inphy_service(struct mii_softc *, struct mii_data *, int); +static void inphy_status(struct mii_softc *); +static void inphy_reset(struct mii_softc *); + +static const struct mii_phydesc inphys[] = { + MII_PHY_DESC(xxINTEL, I82553), + MII_PHY_DESC(yyINTEL, I82553), + MII_PHY_DESC(yyINTEL, I82555), + MII_PHY_DESC(yyINTEL, I82562EM), + MII_PHY_DESC(yyINTEL, I82562ET), + MII_PHY_END +}; + +static const struct mii_phy_funcs inphy_funcs = { + inphy_service, + inphy_status, + inphy_reset +}; + +static int +inphy_probe(device_t dev) +{ + + return (mii_phy_dev_probe(dev, inphys, BUS_PROBE_DEFAULT)); +} + +static int +inphy_attach(device_t dev) +{ + + mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &inphy_funcs, 1); + return (0); +} + +static int +inphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) +{ + + switch (cmd) { + case MII_POLLSTAT: + break; + + case MII_MEDIACHG: + /* + * If the interface is not up, don't do anything. + */ + if ((mii->mii_ifp->if_flags & IFF_UP) == 0) + break; + + mii_phy_setmedia(sc); + break; + + case MII_TICK: + if (mii_phy_tick(sc) == EJUSTRETURN) + return (0); + break; + } + + /* Update the media status. */ + PHY_STATUS(sc); + + /* Callback if something changed. */ + mii_phy_update(sc, cmd); + return (0); +} + +static void +inphy_status(struct mii_softc *sc) +{ + struct mii_data *mii = sc->mii_pdata; + struct ifmedia_entry *ife = mii->mii_media.ifm_cur; + int bmsr, bmcr, scr; + + mii->mii_media_status = IFM_AVALID; + mii->mii_media_active = IFM_ETHER; + + bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR); + if (bmsr & BMSR_LINK) + mii->mii_media_status |= IFM_ACTIVE; + + bmcr = PHY_READ(sc, MII_BMCR); + if (bmcr & BMCR_ISO) { + mii->mii_media_active |= IFM_NONE; + mii->mii_media_status = 0; + return; + } + + if (bmcr & BMCR_LOOP) + mii->mii_media_active |= IFM_LOOP; + + if (bmcr & BMCR_AUTOEN) { + if ((bmsr & BMSR_ACOMP) == 0) { + mii->mii_media_active |= IFM_NONE; + return; + } + + scr = PHY_READ(sc, MII_INPHY_SCR); + if (scr & SCR_S100) + mii->mii_media_active |= IFM_100_TX; + else + mii->mii_media_active |= IFM_10_T; + if (scr & SCR_FDX) + mii->mii_media_active |= + IFM_FDX | mii_phy_flowstatus(sc); + else + mii->mii_media_active |= IFM_HDX; + } else + mii->mii_media_active = ife->ifm_media; +} + +static void +inphy_reset(struct mii_softc *sc) +{ + + mii_phy_reset(sc); + + /* Ensure Bay flow control is disabled. */ + PHY_WRITE(sc, MII_INPHY_SCR, + PHY_READ(sc, MII_INPHY_SCR) & ~SCR_FLOWCTL); +} diff --git a/sys/dev/fxp/inphyreg.h b/sys/dev/fxp/inphyreg.h new file mode 100644 index 000000000000..42c683dbf189 --- /dev/null +++ b/sys/dev/fxp/inphyreg.h @@ -0,0 +1,40 @@ +/*- + * Copyright (c) 2001 Jonathan Lemon + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _INPHYREG_H +#define _INPHYREG_H + +#define MII_INPHY_SCR 0x10 /* status and control register */ +#define SCR_FLOWCTL 0x8000 +#define SCR_S100 0x0002 /* autonegotiated speed */ +#define SCR_FDX 0x0001 /* autonegotiated duplex */ + +#endif |